11112012220111 has 8 divisors (see below), whose sum is σ = 12143499541200. Its totient is φ = 10084075631040.

The previous prime is 11112012220103. The next prime is 11112012220147. The reversal of 11112012220111 is 11102221021111.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11112012220111 - 2³ = 11112012220103 is a prime.

It is a super-2 number, since 2×11112012220111² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11112012220171) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 887676456 + ... + 887688973.

It is an arithmetic number, because the mean of its divisors is an integer number (1517937442650).

Almost surely, 2^{11112012220111} is an apocalyptic number.

11112012220111 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

11112012220111 is a deficient number, since it is larger than the sum of its proper divisors (1031487321089).

11112012220111 is a wasteful number, since it uses less digits than its factorization.

11112012220111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1775366009.

The product of its (nonzero) digits is 16, while the sum is 16.

Adding to 11112012220111 its reverse (11102221021111), we get a palindrome (22214233241222).

The spelling of 11112012220111 in words is "eleven trillion, one hundred twelve billion, twelve million, two hundred twenty thousand, one hundred eleven".